1294390040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1\times {\mathrm{733}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 2947332960

約数和(自身を除く): 1652942920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 337, 524, 655, 674, 733, 1048, 1310, 1348, 1466, 1685, 2620, 2696, 2932, 3370, 3665, 5240, 5864, 6740, 7330, 13480, 14660, 29320, 44147, 88294, 96023, 176588, 192046, 220735, 247021, 353176, 384092, 441470, 480115, 494042, 768184, 882940, 960230, 988084, 1235105, 1765880, 1920460, 1976168, 2470210, 3840920, 4940420, 9880840, 32359751, 64719502, 129439004, 161798755, 258878008, 323597510, 647195020, 1294390040]

約数ペア:

[(1, 1294390040), (2, 647195020), (4, 323597510), (5, 258878008), (8, 161798755), (10, 129439004), (20, 64719502), (40, 32359751), (131, 9880840), (262, 4940420), (337, 3840920), (524, 2470210), (655, 1976168), (674, 1920460), (733, 1765880), (1048, 1235105), (1310, 988084), (1348, 960230), (1466, 882940), (1685, 768184), (2620, 494042), (2696, 480115), (2932, 441470), (3370, 384092), (3665, 353176), (5240, 247021), (5864, 220735), (6740, 192046), (7330, 176588), (13480, 96023), (14660, 88294), (29320, 44147)]